Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B
The AirTAC Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B is a genuine 5/2-way solenoid valve solenoid valve with 430P15B ports and an effective area of See datasheet (Cv —). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
- Valve type5/2-way
- FunctionSolenoid valve
- Port size430P15B
- Effective areaSee datasheet
- Flow (Cv)—
- Series4V
About the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B
The B03-4V430P15B is AirTAC's explosion-proof build of the 4V430P-15B, designed for hazardous or flammable atmospheres where standard solenoid valves could pose a risk. As a 5/3-way, double-solenoid valve with a pressure center, it pressurizes both cylinder ports when de-energized, which is ideal for applications requiring a balanced, pressurized hold. This large 4V400 body directs substantial airflow to double-acting cylinders, with an effective area of 40 mm² and a Cv of 2.35, suiting cylinder bores of approximately 80-125 mm.
This unit operates on a DC24V coil drawing just 3.0W, with a response time of 0.05 seconds or less. Weighing 770g, it features a robust aluminum-alloy body and IP65 protection. The leading "B03-" prefix indicates the explosion-proof variant, but please confirm the exact protection rating and certification for your specific zone with us before installation.
Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B Technical Specifications
| Model | Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B |
|---|---|
| Series | 4V solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Solenoid valve |
| Port size | 430P15B |
| Exhaust port | 430P15B |
| Effective area (Cv) | See datasheet (Cv —) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Pilot type | Internal / external pilot |
| Operating pressure | 0.15 – 0.8 MPa |
| Proof pressure | 1.2 MPa |
| Max frequency | See datasheet |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | See datasheet |
Specifications follow the official AirTAC 4V series datasheet. Lubrication not required. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
Flow & Coil Options
| Effective area | See datasheet |
|---|---|
| Flow coefficient | Cv — |
| Response time | ≤ 0.05 s |
| Coil power | AC 3.5–4.5 VA · DC 2.5–3.0 W |
| Protection / insulation | IP65 (DIN40050), B-class |
| Voltage options | DC24V, DC12V, AC110V, AC220V |
| Manual override | Yes (locking / non-locking) |
Size the valve so effective area / Cv is not the bottleneck for your cylinder bore and speed. Undersized valves slow the actuator. Note 5/3 (center) versions have a smaller effective area than the 5/2 of the same body size.
Model Code: Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| B | Body size (4V) — sets port & flow. |
| 0 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -430P15B | Port thread: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
Related: 4VB10 (single), 4VB20 (double), 4VB30C/E/P (5/3 center). Add the voltage suffix when ordering.
Where the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B Is Used
Hazardous-Area Presses
Controls large double-acting cylinders in hydraulic or pneumatic presses located in potentially explosive atmospheres, providing a balanced pressure hold during the pressing cycle.
Chemical Process Valves
Actuates large process control valves in chemical plants where flammable vapors may be present, using the pressure-center function to maintain a stable position when the signal is lost.
Explosion-Proof Clamping
Operates heavy-duty clamping fixtures in paint shops or fuel-handling areas, ensuring workpieces are held firmly with pressure on both sides of the cylinder when the valve is centered.
Is the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B the Right Valve?
Choose the B03-4V430P15B when you need explosion-proof protection combined with the pressure-center functionality of a 5/3 valve. The pressure center is particularly useful for applications that require a balanced pressure hold, such as in certain clamping or positioning tasks. This 4V400 body is the largest in the 4V series, so for smaller cylinders with lower flow requirements, consider stepping down to the 4V300 series with its Cv of 1.65 to optimize cost and size.
When replacing an existing valve, verify the 5-point match: the 4V400 body size, the 5/3 pressure-center function, the 1/2" PT port, the DC24V coil voltage, and the terminal electrical entry. The B03- prefix confirms the explosion-proof construction, but always double-check that the specific protection level meets your site's requirements.
Quick checklist
- ✓ Required flow (Cv) for cylinder & speed
- ✓ Function: single / double / 5-3 center
- ✓ Coil voltage (DC24 / AC220 …)
- ✓ Port thread (M5 / 1/8 / 1/4 / 3/8 / 1/2)
- ✓ Single valve or manifold base?
Installation & Wiring Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 0.8 MPa operating pressure.
- check Match coil voltage to your controller output.
- check Use the manual override to test before powering.
- check Fit silencers or fittings to the exhaust ports.
- check Wiring by qualified personnel per AirTAC docs.
Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V430P15B FAQ
The B03- prefix designates AirTAC's explosion-proof version of the standard 4V430P-15B valve. It is built to be safer for use in hazardous or flammable atmospheres. However, you must confirm the exact protection rating and certification with us to ensure it meets the specific requirements of your zone.
When both solenoids are de-energized, the valve centers and pressurizes both cylinder ports (A and B) simultaneously. This creates a balanced pressure hold on the double-acting cylinder, keeping it in a fixed position. With an effective area of 40 mm² and a Cv of 2.35, it's well-suited for larger cylinders.
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